Source Code for Module jsondata.JSONDataExceptions

  1  # -*- coding:utf-8   -*- 
  2  """Common exceptions for the package 'jsondata'. 
  3  """ 
  4  __author__ = 'Arno-Can Uestuensoez' 
  5  __maintainer__ = 'Arno-Can Uestuensoez' 
  6  __license__ = "Artistic-License-2.0 + Forced-Fairplay-Constraints" 
  7  __copyright__ = "Copyright (C) 2015-2016 Arno-Can Uestuensoez @Ingenieurbuero Arno-Can Uestuensoez" 
  8  __version__ = '0.2.18' 
  9  __uuid__='63b597d6-4ada-4880-9f99-f5e0961351fb' 
 10   
 11  import sys 
 12  version = '{0}.{1}'.format(*sys.version_info[:2]) 
 13  if not version in ('2.6','2.7',): # pragma: no cover 
 14      raise Exception("Requires Python-2.6.* or higher") 
 15  # if version < '2.7': # pragma: no cover 
 16  #     raise Exception("Requires Python-2.7.* or higher") 
 17   
 18  # Sets display for inetractive JSON/JSONschema design. 
 19  _interactive = False 
 20   
 21 -class JSONDataException(Exception): 
 22      """ base Exception.""" 
 23       
 24 -    def __init__(self,*arg): 
 25          """To be replaced by derived Exceptions. 
 26           
 27          Fetch standard parameters and forward message to base class 'Exception'. 
 28          """ 
 29          self.fetch(*arg) 
 30          Exception.__init__(self,self.s) 
 31   
 32 -    def fetch(self,*arg): 
 33          """Fetch arguments. 
 34   
 35          Args: 
 36              *args: The following order is expected: 
 37               
 38              0. Reason of exception. 
 39               
 40              1. Name of object that caused the exception. 
 41               
 42              2. Value of the object. 
 43   
 44          Returns: 
 45              None. 
 46   
 47          Raises: 
 48              None. 
 49          """ 
 50          self.s="" 
 51          for a in arg: 
 52              self.s+=":"+str(a) 
 53          self.s=self.s[1:] 
 54           
 55 -    def __repr__(self): 
 56          """Cause: <reason>:<object>:<value>""" 
 57          return self.s 
 58   
 59 -    def __str__(self): 
 60          """Cause with additional header text.""" 
 61          return "ERROR::"+self.s 
 62   
 63  # 
 64  # generic exceptions 
 65  # 
 66   
 67 -class JSONDataKeyError(JSONDataException,KeyError): 
 68      """ Error on key.""" 
 69       
 70 -    def __init__(self,*arg): 
 71          JSONDataException.fetch(self,*arg) 
 72          KeyError.__init__(self,self.s) 
 73       
 74 -    def __str__(self): 
 75          return "JSONDataKeyError:"+self.s 
 76           
 77 -class JSONDataNodeType(JSONDataException): 
 78      """ Error on NodeTypes.""" 
 79 -    def __str__(self): 
 80          return "JSONDataNodeType:"+self.s 
 81   
 82 -class JSONDataParameter(JSONDataException): 
 83      """ Erroneous parameters.""" 
 84 -    def __str__(self): 
 85          return "JSONDataParameter:"+self.s 
 86   
 87 -class JSONDataSourceFile(JSONDataException): 
 88      """ Error on read of a source file.""" 
 89 -    def __str__(self): 
 90          return "JSONDataSourceFile:"+self.s 
 91   
 92 -class JSONDataTargetFile(JSONDataException): 
 93      """ Error on writing a file.""" 
 94 -    def __str__(self): 
 95          return "JSONDataTargetFile:"+self.s 
 96   
 97 -class JSONDataValue(JSONDataException): 
 98      """ Error on a value.""" 
 99 -    def __str__(self): 
100          return "JSONDataValue:"+self.s 
101